/*
Theme Name: Alfian Portfolio
Theme URI: https://yoursite.com
Author: Alfian
Author URI: https://yoursite.com
Description: A clean, modern portfolio theme for creatives and professionals. Features smooth animations, dark aesthetic, and fully responsive design.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: alfian-portfolio
Tags: portfolio, personal, one-page, dark, modern, responsive
*/

/* =============================================
   CSS VARIABLES
   ============================================= */
:root {
  --color-bg: #0a0a0a;
  --color-bg-2: #111111;
  --color-bg-card: #161616;
  --color-accent: #c8a96e;
  --color-accent-2: #e8c97a;
  --color-text: #f0ede8;
  --color-text-muted: #888880;
  --color-border: #2a2a2a;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 4px;
  --max-width: 1200px;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--color-accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent-2); }

img { max-width: 100%; height: auto; display: block; }

ul, ol { list-style: none; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 { font-size: clamp(3rem, 8vw, 7rem); }
h2 { font-size: clamp(2rem, 5vw, 4rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p { color: var(--color-text-muted); margin-bottom: 1.2rem; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 8rem 0; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #0a0a0a;
}
.btn-primary:hover {
  background: var(--color-accent-2);
  color: #0a0a0a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 169, 110, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* =============================================
   NAVIGATION
   ============================================= */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
}

#site-header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-text);
  letter-spacing: -0.03em;
}

.site-logo span { color: var(--color-accent); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-menu li a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  position: relative;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--color-text);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
  width: 100%;
}

.nav-cta {
  font-size: 0.8rem !important;
  padding: 0.5rem 1.2rem;
  background: var(--color-accent) !important;
  color: #0a0a0a !important;
  border-radius: var(--radius);
}

.nav-cta::after { display: none !important; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
}

/* =============================================
   HERO SECTION
   ============================================= */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(200, 169, 110, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(200, 169, 110, 0.04) 0%, transparent 60%);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200,169,110,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,169,110,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-eyebrow-line {
  width: 40px;
  height: 1px;
  background: var(--color-accent);
}

.hero-title {
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.15s forwards;
  margin-bottom: 1.5rem;
}

.hero-title .accent { color: var(--color-accent); font-style: italic; }

.hero-subtitle {
  font-size: 1.15rem;
  max-width: 520px;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  margin-bottom: 3rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.45s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 1s ease 1s forwards;
}

.hero-scroll span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 2s ease infinite;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
#about {
  background: var(--color-bg-2);
}

.about-image-wrap {
  position: relative;
}

.about-image {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(20%);
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--color-bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.about-image-frame {
  position: absolute;
  inset: -12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  z-index: -1;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* =============================================
   SKILLS SECTION
   ============================================= */
#skills {
  background: var(--color-bg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
}

.skill-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.skill-card:hover {
  border-color: rgba(200, 169, 110, 0.3);
  transform: translateY(-4px);
}

.skill-card:hover::before { transform: scaleX(1); }

.skill-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.skill-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
  background: rgba(200, 169, 110, 0.08);
  border: 1px solid rgba(200, 169, 110, 0.2);
  border-radius: 2px;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

/* =============================================
   PORTFOLIO SECTION
   ============================================= */
#portfolio {
  background: var(--color-bg-2);
}

.portfolio-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
}

.portfolio-filter {
  display: flex;
  gap: 0.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #0a0a0a;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto;
  gap: 1.5rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  cursor: pointer;
  group: '';
}

.portfolio-item:nth-child(1) { grid-column: span 7; grid-row: span 2; }
.portfolio-item:nth-child(2) { grid-column: span 5; }
.portfolio-item:nth-child(3) { grid-column: span 5; }
.portfolio-item:nth-child(4) { grid-column: span 6; }
.portfolio-item:nth-child(5) { grid-column: span 6; }

.portfolio-image-wrap {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg);
}

.portfolio-item:nth-child(1) .portfolio-image-wrap { aspect-ratio: 4/3; }

.portfolio-img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-img-placeholder { transform: scale(1.04); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.88);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }

.portfolio-overlay h3 {
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}

.portfolio-overlay p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

/* =============================================
   EXPERIENCE SECTION
   ============================================= */
#experience {
  background: var(--color-bg);
}

.timeline {
  position: relative;
  margin-top: 4rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
  padding-bottom: 3rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.15);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-size: 1.3rem;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.timeline-desc {
  font-size: 0.9rem;
  max-width: 600px;
}

/* =============================================
   CONTACT SECTION
   ============================================= */
#contact {
  background: var(--color-bg-2);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 6rem;
  align-items: start;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: var(--transition);
  color: var(--color-text);
}

.contact-link:hover {
  border-color: rgba(200, 169, 110, 0.3);
  transform: translateX(4px);
  color: var(--color-accent);
}

.contact-link-icon {
  font-size: 1.2rem;
  width: 2rem;
  text-align: center;
}

.contact-link-text { font-size: 0.9rem; }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color 0.25s ease;
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(200, 169, 110, 0.5);
}

.form-group textarea { resize: vertical; min-height: 140px; }

/* =============================================
   FOOTER
   ============================================= */
#colophon {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0;
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.footer-socials a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.footer-socials a:hover { color: var(--color-accent); }

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-item:nth-child(1) { grid-column: span 12; }
  .portfolio-item:nth-child(2), .portfolio-item:nth-child(3) { grid-column: span 6; }
  .portfolio-item:nth-child(4), .portfolio-item:nth-child(5) { grid-column: span 6; }
}

@media (max-width: 768px) {
  section { padding: 5rem 0; }
  .container { padding: 0 1.25rem; }

  .nav-menu {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 999;
  }

  .nav-menu.open { display: flex; }
  .nav-menu li a { font-size: 1.5rem; }
  .menu-toggle { display: flex; z-index: 1000; }

  .grid-2 { grid-template-columns: 1fr; gap: 3rem; }

  .skills-grid { grid-template-columns: 1fr; }

  .portfolio-header { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-item:nth-child(n) { grid-column: span 1; }

  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }

  .footer-inner { flex-direction: column; gap: 1.5rem; text-align: center; }

  .about-stats { grid-template-columns: 1fr 1fr; }
}